Home / 149,362.38-206,163.56-97,686.83

Finding the Fourth Proportional to 149,362.38, 206,163.56 and 97,686.83

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Solution

The fourth proportional to 149,362.38, 206,163.56 and 97,686.83 is: 134,836.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,362.38 : 206,163.56 = 97,686.83 : x
  2. Step 2: Convert to fraction form
    149,362.38/206,163.56 = 97,686.83/x
  3. Step 3: Cross multiply
    149,362.38x = 206,163.56 × 97,686.83
  4. Step 4: Simplify right side
    149,362.38x = 20,139,465,397.54
  5. Step 5: Solve for x
    x = 20,139,465,397.54/149,362.38
  6. Step 6: Final answer
    x = 134,836.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.